>I suspect there is a strong resonance just at that frequency. I'm not >found that >they can all be eliminated. My practice of aligning the ribs in a radial, or >fan, pattern seems to help but does not completely solve the problem. So does >using more, but smaller, ribs for some unexplained reason. > >Del Hi Del, I suspect the shorter ribs resulting from the cutoff and fish help too. Whatever the elusive details, it's a real luxury to be able to get past some of the existing problems with a different design approach. We who have benefited appreciate you sharing so many expensive lessons with us. Ron N
This PTG archive page provided courtesy of Moy Piano Service, LLC